open5gs/src/pgw/pgw-init.c

100 lines
1.8 KiB
C

#include "gtp/gtp-xact.h"
#include "app/context.h"
#include "pgw-context.h"
#include "pgw-event.h"
#include "pgw-sm.h"
#include "pgw-fd-path.h"
static ogs_thread_t *thread;
static void pgw_main(void *data);
static int initialized = 0;
int pgw_initialize()
{
int rv;
pgw_context_init();
pgw_event_init();
rv = gtp_xact_init(pgw_self()->timer_mgr);
if (rv != OGS_OK) return rv;
rv = pgw_context_parse_config();
if (rv != OGS_OK) return rv;
rv = context_setup_log_module();
if (rv != OGS_OK) return rv;
rv = pgw_ue_pool_generate();
if (rv != OGS_OK) return rv;
rv = pgw_fd_init();
if (rv != 0) return OGS_ERROR;
thread = ogs_thread_create(pgw_main, NULL);
if (!thread) return OGS_ERROR;
initialized = 1;
return OGS_OK;
}
void pgw_terminate(void)
{
if (!initialized) return;
pgw_event_term();
ogs_thread_destroy(thread);
pgw_fd_final();
pgw_context_final();
gtp_xact_final();
pgw_event_final();
}
static void pgw_main(void *data)
{
ogs_fsm_t pgw_sm;
int rv;
ogs_fsm_create(&pgw_sm, pgw_state_initial, pgw_state_final);
ogs_fsm_init(&pgw_sm, 0);
for ( ;; )
{
ogs_pollset_poll(pgw_self()->pollset,
ogs_timer_mgr_next(pgw_self()->timer_mgr));
ogs_timer_mgr_expire(pgw_self()->timer_mgr);
for ( ;; )
{
pgw_event_t *e = NULL;
rv = ogs_queue_trypop(pgw_self()->queue, (void**)&e);
ogs_assert(rv != OGS_ERROR);
if (rv == OGS_DONE)
goto done;
if (rv == OGS_RETRY)
break;
ogs_assert(e);
ogs_fsm_dispatch(&pgw_sm, e);
pgw_event_free(e);
}
}
done:
ogs_fsm_fini(&pgw_sm, 0);
ogs_fsm_delete(&pgw_sm);
}